Before Carrie Underwood played Boardwalk Hall this past Friday, she stopped by the set of 'Late Night With Jimmy Fallon.'

While there Jimmy Fallon got Carrie to have a little fun.  He's good at getting his guests to do outrageous skits and this was no different!  The two admitted to being a 90's duo that performed country versions of rap songs, better known as "Country Rap," or "C'Rap" as Carrie says!....  They called themselves "Jim Carrie!"

Watch below!